Why does active transport require energy ?

Mass is the weight of an object volume is the size and density is the mass divided by the volume.

Density provides a convenient means of determining the mass of an object from its volume. Mass equals volume times density M = Vd and volume equals mass divided by density V = M/d. Mass is a physical quantity that indicates the amount of matter in the body of an object.

Volume is a measure of the amount of three-dimensional space occupied by an object. Mass is a physical value. Volume is a geometric value. We can say that the volume of an object is directly proportional to its mass. As the volume increases the object's mass increases in direct proportion. The slope of the graph corresponds to the density of the material.

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Biotic factors affect communities because they comprise animals and plants and microbes which are a necessary part of our environment whereas abiotic factors affect the ability to survival and reproduction of an organism.

Biotic factors such as the presence of autotrophs or self-nourishing organisms such as plants, and the diversity of consumers also affect an entire ecosystem. Abiotic factors affect the capacity of organisms to survive and reproduce. Abiotic limiting factors limit the growth of populations. The abundance and distribution of organisms in an ecosystem are affected by biotic factors, which involve living organisms. the appearance of new predators: in balanced ecosystems, predators and prey have developed together. the arrival of a new predator will disrupt the numbers of prey and other organisms. Biotic factors that affect communities; moisture levels: animals and plants are adapted to growing at the moisture levels available; soil pH and mineral.

so we can conclude that biotic factors comprise of living organisms that affect a community's availability of organisms for food whereas abiotic factors are needed by the organisms for growth.

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Answer:

water oxygen carbon dioxide and oxygen c

The products of light-independent reactions include the following:

Photosynthesis simply refers to a biological and chemical process through which some living organisms such as green plants (autotrophs) convert the light energy (sunlight) that is received from the Sun into chemical energy, in order to enable them make their food.

Generally speaking, there are (2) main reactions that make up the process of photosynthesis and these include following:

Light independent reactions can be defined as a type of photosynthetic reaction that takes place in the stroma of the chloroplasts of green plants (autotrophs) and it requires the following necessary inputs:

Additionally, the outputs (end products) of photosynthesis include the following; NADPH, adenosine triphosphate (ATP), and oxygen.

In this context, we can reasonably infer and logically deduce that water (H₂O), glucose, and NADP+ constitute the products of every light independent reactions.

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Answer: This balance helps the ecosystem maintain and recycle biomass. Every link in a food web is connected to at least two others. The biomass of an ecosystem depends on how balanced and connected its food web is.

Explanation:

Replica plates on medium that only contain glucose or tryptophan as a fuel source. You would search for colonies that can only develop on glucose-containing plates.

Complementary base pairing produces the twists that divide the RNA transcript from the transcription bubble. The highest frequency of GbM is found in "housekeeping" genes, while the lowest frequency is found in genes with the most varied expression.

The hairpin loop that forms on the mRNA strand during transcription divides the DNA template strand from the RNA polymerase. The mechanism is known as rho-independent or intrinsic termination, and the sequences involved are known as terminator sequences.

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Answer:

Animal cell

Explanation:

Answer:

Habitat" is where something lives. "Niche" implies a more transactional analysis of its energy and informational interactions there. "Niche" is used both in the ecological and the cell biological literature (e.g. the niche for stem cells in the adult mammalian brain). For example: A fox's habitat may be a certain kind of forest. It's niche there might involve eating rodents, digging out a den in soft earth among the roots of tall trees, and blending in with the surroundings. "Elements" of the "niche" might be found elsewhere allowing the fox to live in a different "habitat"..

By : David Thaler

Answer: your answer is b!

Explanation:

From the Intake Spreadsheet report Day 2, 1 serving of this recipe exists 747 grams; from the Intake Spreadsheet report Day 1, 1 serving of the fast food smoothie contains 428 grams. 747 divided by 428 = 1.75 times the volume.

Smoothies frequently contain a lot of fiber due to their high fruit and vegetable content. This can assist in filling the gap between your current consumption of fiber and the quantity suggested by the USDA, lowering your possibility of formulating chronic diseases and enhancing your general health.

This is due to the high levels of sugar, salt, saturated fat, trans fats, processed components, and calories in the majority of fast food. Additionally, it typically has few or no antioxidants, fiber, or other nutrients.

One serving of this recipe weighs 747 grams according to the Intake Spreadsheet report for Day 2, whereas one serving of the fast-food smoothie weighs 428 grams. The volume is 1.75 times what 747 divided by 428 equals.

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An illusion of control contribute to perceiving an illusory correlation  because it shows us the likelihood to find correlation where no other exists.

When two different variables are linked together, an erroneous correlation is produced, which causes the frequency of their co-occurrence to be overestimated. Because of our skewed perspective of the variables and a lack of information, the relationship between the two variables is illusory and not actual.

Note that Illusory correlation happens when we think two variables are linked to one another when they are actually not.

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Answer:

Glucose is sugar in simple words. In other words, glucose is simple sugar that is important energy source for living organisms and is a component of a lot of carbohydrates.

Explanation:

Answer:

Invasive species

Explanation:

it is an organism that is not native to the area; also known as a species that invades

yw! :)

Answer:

Its B

Explanation:

I took the test

Answer: Breathing

Explanation: The process of inhaling air into the lungs, absorbing oxygen through alveoli which then moves into the blood in the capillaries. Carbon dioxide moves from the blood in the capillaries, to the alveoli where it is then expelled as a gas from the lungs, and exhaled.

Answer:

Diagram of a nucleus with the following structures:

Nuclear membrane

Nucleolus

Chromatin

Answer:

A. It multiplies with a host cell, and cannot be treated with antibiotics.

Explanation:

Viruses are surrounded by a protective protein coating; they don't have cell walls that can be attacked by antibiotics like bacteria does. It is because of this that antibiotics don't work on viruses.

Flu viruses and many cold viruses also have a viral envelope, meaning the capsid is covered by two layers of lipids similar to the cell membranes found on organisms. Viruses can't multiply on their own — they must infect the cells of a living creature.

Answer: (A) is correct and (C) is correct

Explanation: Oh thanks for this explanation <3 :)

The coordinates of their weighted average is (-1, -2).

In Mathematics, weighted average can be defined as a product of a data point's weight and the sum of all the data points in a data set, divided by the sum of each weights.

By applying weighted average, the average of the points on the x-coordinates is given by:

x = (3 × (-4) + 2 + 5)/5

x =  -1.

By applying weighted average, the average of the points on the y-coordinates is given by:

y = (3 × (-4) + 0 + 2)/5

y = -2.

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Complete Question:

Point A weighs three times as much as point B. Find the coordinates of their weighted average.

Enter your answer as (X, Y) (e.g. (1.5,-6))

While Non-programmed decisions will generally need to be processed via the reflective system in our brains in order for us to reach a good decision, with programmed decisions, heuristics can allow decision makers to switch to the quick, reactive system.

What are programmed and non-programmed decisions ?

Programmed decisions are those decisions that occur more frequently and are quickly executed, almost instinctly, without needing much of a thought process, by what we call the reactive system; they are repeated over time. while non-programmed decisions are those that present unusual or new situations and require a deeper reflection and understanding of the issue. Those are processed via the reflective system in the brain; they hardly re-occur and mostly spontaneous.

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Human activities that change the carbon cycle are Burning of fossil fuel ,carbon sequestration and deforestation .

When coal is burned, carbon is set free into the atmosphere at a faster rate than it is removed. Thus, concentration of carbon dioxide in the atmosphere increases which affect the carbon cycle .

Storing of carbon dioxide by plants is called carbon sequestration. Agricultural and forestry methods can influence how much carbon dioxide is removed from the atmosphere and stored by the plants.

Deforestation or large-scale removal of trees from forests by human results in increased levels of carbon dioxide in the atmosphere thus affecting carbon cycle.

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99 water molecules will be created in the making of a small protein in a cell.

A carboxyl group, which contains carbon, and an amino group, which contains nitrogen, are both found in amino acids. Peptide bonds are created between the carboxyl and amino groups of amino acids to create proteins.

Because the final, 100th amino acid won't bind the next (101st) amino acid, a protein comprised of 100 amino acids has 99 peptide bonds. One oxygen atom and two hydrogen atoms are extracted for each peptide link that is formed. So, for each peptide link, one water molecule is produced. Therefore, Ninety-nine water molecules are produced if there are 99 peptide bonds.

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Answer:

Humans can move on their own and are placed in the animal kingdom. Further, humans belong to the animal phylum known as chordates because we have a backbone. The human animal has hair and milk glands, so we are placed in the class of mammals. Within the mammal class, humans are placed in the primate order.

Explanation:

If the genome of the bacterium E. coli requires about 20 minutes to replicate itself how can the genome of the fruit fly drosophila be replicated in only three minutes? Drosophila DNA contains more origins of replication than E. coli DNA.

The best option that explains that why salivary amylase does not break down proteins is that proteins do not have the right substrate for the enzymes.

In the field of biology, we can describe enzymes as biological catalysts that are used to speed up a reaction. Each enzyme is specific for a reaction because the active site of an enzyme is specific for a particular reactant.

As salivary amylase is an enzyme that is specific for breaking down starch because its active site is specific for the starch reactants, hence the amylase enzyme will not work for proteins. The protein reactants will not fit into the active site of the salivary amylase enzyme.

Although a part of your question is missing, you might be referring to this question:

Salivary amylase is an enzyme found in the mouth. It breaks down starch into sugars. Which of these best explains why salivary amylase does not break down proteins?

a) The enzyme is the wrong substrate for proteins

b) proteins do not have the right substrate for the enzymes.

c) Proteins do not have the proper active site for the enzyme to work on them.

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The element that gives the Fibrous joints the ability to resist stretching and control the amount of movement at the joint is Collagen fiber.

Fibrous joints are immovable or fixed joints, as the movement of joints is not allowed between the bones. They do not have a joint cavity. In these joints, the articulating parts are separated by collagen fibers, also known as white connective tissue, which passes from one part to another.

Collagen fibers contain a hierarchical structure made up of collagen molecules, microfibrils, fibrils, fibers, and fascicles that prevents tendon and other load-bearing tissues from deforming.

Fibrous joints are subdivided into three types namely sutures, gomphoses, and syndesmoses.

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Answer: c. experts are able to judge the quality of a product.

Explanation:

Answer:

phenotype

Explanation: